spring 在單例類中使用註解注入bean
阿新 • • 發佈:2019-01-03
/**
* @author: jerry
* @Email:
* @Company:
* @Action: 日誌處理工具類
* @DATE: 2016-9-19
*/
@Component//泛指元件,當元件不好歸類的時候,我們可以使用這個註解進行標註
public class LogUtil {
@Autowired<br>//注意這裡非靜態
private AdminLogService logService;
private static LogUtil logUtil;
@PostConstruct //@PostConstruct修飾的方法會在伺服器載入Servle的時候執行,並且只會被伺服器執行一次。PostConstruct在建構函式之後執行,init()方法之前執行
public void init() {
logUtil = this;
logUtil.logService = this.logService;
}
public AdminLogService getUserService() {
return logService;
}
public void setUserService(AdminLogService userService) {
this.logService = userService;
}
public static void addLog(LoginInfo loginInfo,String desc){
//新增日誌
AdminLog log=new AdminLog();
log.setCreatetime(new Date());
log.setDescription(desc);
try {
log.setCuid(loginInfo.getUser().getId());
log.setCreateuser(loginInfo.getUser().getAccount());
logUtil.logService.insertLog(log);
} catch (Exception e) {
log.setCuid(0);
log.setCreateuser("unknow");<br>//呼叫時通過類去調
logUtil.logService.insertLog(log);
}
}
}